SudokuVariants

Renban Sudoku Help

Digits on Renban green line must be consecutive in any order. Values cannot repeat.

Renban

Fourth cell on image above must be 4, if we put any other value in the cell, digits won't be consecutive.

Renban Sudoku Solving Strategies

Five cell Renban must contain 5 because it can contain following combinations:

  • 12345
  • 23456
  • 34567
  • 45678
  • 56789

Six cell Renban must contain 4, 5 and 6. Seven cell Renban must contain 3, 4, 5, 6 and 7. Eight cell Renban must contain all numbers with exception of 1 and 9, it contains either 1 or 9. Nine cell Renban must contain all numbers from 1 to 9 (inclusive).

Ruling out one candidate on the Renban can be useful. On image below Renban cannot contain 7, which means it can be 12345 or 23456. This means 2345 must be on the renban and can be ruled out from other cells in the box.

Renban

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